Tab for index cards



FIG. 1 is a front elevational view of a tab for index cards showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a perspective view. 

The ornamental design for a tab for index cards, as shown or described. 